Fix from wxAUI forum (http://www.kirix.com/forums/viewtopic.php?f=16&t=564) for display problem on Vista

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@49741 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/aui/framemanager.cpp

@@ -67,11 +67,15 @@ DEFINE_EVENT_TYPE(wxEVT_AUI_FIND_MANAGER)
     #include "wx/mac/private.h"
 #endif
 
+#ifdef __WXMSW__
+    #include "wx/msw/wrapwin.h"
+    #include "wx/msw/private.h"
+#endif
+
 IMPLEMENT_DYNAMIC_CLASS(wxAuiManagerEvent, wxEvent)
 IMPLEMENT_CLASS(wxAuiManager, wxEvtHandler)
 
 
-
 const int auiToolBarLayer = 10;
 
 #ifndef __WXGTK20__
@@ -289,10 +293,15 @@ static void DrawResizeHint(wxDC& dc, const wxRect& rect)
     wxBitmap stipple = wxPaneCreateStippleBitmap();
     wxBrush brush(stipple);
     dc.SetBrush(brush);
+
+#ifdef __WXMSW__
+    PatBlt(GetHdcOf(dc), rect.GetX(), rect.GetY(), rect.GetWidth(), rect.GetHeight(), PATINVERT);
+#else
     dc.SetPen(*wxTRANSPARENT_PEN);
 
     dc.SetLogicalFunction(wxXOR);
     dc.DrawRectangle(rect);
+#endif
 }